US PATENT SUBCLASS 187 / 287
.~.~.~ Includes safety cut off switch actuated by load support speed sensor or governor

Current as of: June, 1999
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187 /   HD   ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE

250  DF  HAVING SPECIFIC LOAD SUPPORT DRIVE-MEANS OR ITS CONTROL {6}
276  DF  .~ Includes control for power source of drive-means {6}
277  DF  .~.~ With specific electrical component {9}
287.~.~.~ Includes safety cut off switch actuated by load support speed sensor or governor

DEFINITION

Classification: 187/287

Includes safety cut off switch actuated by load support speed sensor or governor:

(under subclass 277) Control* including a device for stopping the flow of electric current to the force generating means when the information input component has its operation induced by regulating or detecting means which measures or is responsive to excessive or improper velocity of the load-underlying support surface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

305, for a mechanical control* for the power source of a drive-means* actuated by a load support speed sensor or governor.